CN108978869B - Assembled steel-wood composite beam column node structure and construction method thereof - Google Patents
Assembled steel-wood composite beam column node structure and construction method thereof Download PDFInfo
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- CN108978869B CN108978869B CN201811003095.7A CN201811003095A CN108978869B CN 108978869 B CN108978869 B CN 108978869B CN 201811003095 A CN201811003095 A CN 201811003095A CN 108978869 B CN108978869 B CN 108978869B
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- 239000002023 wood Substances 0.000 title claims abstract description 168
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 210000001015 abdomen Anatomy 0.000 claims abstract description 19
- 238000013461 design Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 34
- 239000010959 steel Substances 0.000 abstract description 34
- 239000000463 material Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008582 Pinus sylvestris Nutrition 0.000 description 1
- 241000218626 Pinus sylvestris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001839 pinus sylvestris Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The node structure comprises a steel-wood composite beam and a steel-wood composite column which are vertical to each other, and a connecting piece for fixing the steel-wood composite beam and the steel-wood composite column; the steel-wood composite beam comprises an inverted T-shaped beam, a left plank and a right plank which are connected to the two sides of the web of the inverted T-shaped beam, and a lower plank which is connected to the bottom surface of the flange of the inverted T-shaped beam; the steel-wood combined column comprises an I-shaped column, an abdomen wood board connected between two flanges of the I-shaped column, and a front flange wood board and a rear flange wood board which are arranged outside the two flanges of the I-shaped column; the connecting piece comprises a bottom plate and a plugboard connected to the front surface of the bottom plate; during construction, the inserting plates are respectively inserted into the inserting grooves of the left plank and the right plank to fixedly connect the steel-wood composite beams, and the bottom plate is fixedly connected to the outer surfaces of the flange plates of the steel-wood composite columns, so that node connection of the steel-wood composite beams and columns is realized. The invention fully utilizes the material stress characteristic of the steel-wood structure, reduces the dead weight of the structure, saves steel, has strong design operability of the node and saves the construction time.
Description
Technical Field
The invention relates to the field of beam-column joint construction, in particular to an assembled steel-wood composite beam-column joint structure and a construction method thereof.
Background
The existing buildings and structures are mostly constructed by adopting concrete materials, but the concrete materials have the problems of heavy self weight, poor earthquake resistance, easy occurrence of cracks and the like, and materials such as steel structures, wood structures and the like can effectively lighten the weight of the materials and improve the overall earthquake resistance of the buildings, and particularly when the steel-wood combined structure is adopted, the material properties of high strength, light self weight, good overall rigidity, strong deformability and the like of the rigid structure can be fully utilized, and the characteristics of good compression resistance, earthquake resistance and the like of the wood structure are utilized. In a steel-wood composite beam column structure, effective connection of nodes is an important measure for guaranteeing effective stress and bearing, concrete pouring nodes are adopted in the past, but corresponding node designs are not proposed aiming at the steel-wood composite beam column structure, so that a node structure with strong operability and easiness in construction and a construction method thereof are required to be proposed aiming at an assembled steel-wood composite beam column component.
Disclosure of Invention
The invention provides an assembled steel-wood composite beam column node structure and a construction method thereof, which are used for solving the problems, and the concrete implementation scheme is as follows:
the assembled steel-wood composite beam column node structure comprises a steel-wood composite beam and a steel-wood composite column which are mutually perpendicular, wherein the end part of the steel-wood composite beam is connected with the steel-wood composite column through a connecting piece; the steel-wood composite beam comprises an inverted T-shaped beam, a left plank and a right plank which are connected to two sides of a web plate of the inverted T-shaped beam, and a lower plank which is connected to the bottom surface of a flange of the inverted T-shaped beam; the steel-wood combined column comprises an I-shaped column, an abdomen plank connected between two flanges of the I-shaped column, and a front flange plank and a rear flange plank which are connected with the outer sides of two flanges of the I-shaped column.
The connecting piece comprises a bottom plate and two parallel plugboards connected to the front surface of the bottom plate, wherein the plugboards are perpendicular to the bottom plate.
The back of the bottom plate is fixedly connected with the outer surface of the flange of the I-shaped column, and the plugboards are respectively inserted into the ends of the left wood board and the right wood board.
The front flange wood board is provided with a notch, and the length and the width of the notch are the length and the width of the steel-wood composite beam.
The lengths and the widths of the front flange wood board and the rear flange wood board are the lengths and the widths of the I-shaped column flanges.
The inner side surface of the flange of the I-shaped column is provided with a through-long raised belt which is clamped on the belly wood board.
The belly wood board is a square wood block with the same size at two sides of an I-shaped column web, the length of the square wood block is the length of the web, the height of the square wood block is the height between two flanges of the I-shaped column, and the width of the square wood block is one half of the width of the flange of the I-shaped column after the thickness of the web is removed; the square wood block bottom surface is provided with the recess of joint protruding area through long.
The end part of the steel-wood composite beam is spliced on the plugboard and is butted in the notch of the steel-wood composite column; the connecting positions of the end parts of the left wood board and the right wood board and the plugboard are provided with slots; the inserting plate, the left plank, the right plank and the inverted T-shaped girder web at the position of the inserting groove are fixedly connected by fasteners.
The fastener is a connecting bolt or a connecting rod with two anchored ends.
The left wood board and the right wood board are square wood boards, the heights and the lengths of the left wood board and the right wood board are equal to those of the inverted T-shaped beam web, and the widths of the left wood board and the right wood board are half of the widths of the inverted T-shaped beam flanges after the thicknesses of the web are removed; the length and the width of the inverted T-shaped beam flange correspond to those of the lower wood board, and the top surface of the lower wood board is fixedly connected with the outer surface of the inverted T-shaped beam flange.
The construction method of the assembled steel-wood composite beam column node structure comprises the following specific steps:
step one, processing an inverted T-shaped beam, an I-shaped column with a raised belt and a connecting piece according to design requirements, wherein the length and the width of a bottom plate of the connecting piece are smaller than those of an I-shaped column flange and a notch, the height of a plugboard of the connecting piece is equal to that of an inverted T-shaped beam web, and the thickness of the plugboard is smaller than those of a left plank and a right plank;
step two, processing a left plank, a right plank, a lower plank, an abdomen plank, a front flange plank and a rear flange plank based on the inverted T-shaped beam and the I-shaped column, and correspondingly arranging slots of the left plank and the right plank, a notch of the front flange plank and a groove of the abdomen plank;
step three, assembling an inverted T-shaped beam and an I-shaped column, wherein a left plank, a right plank and a lower plank are respectively and fixedly connected to the left side, the right side and the lower side of flanges of an inverted T-shaped beam web, a front flange plank and a rear flange plank are fixedly connected to the outer sides of two flanges of the I-shaped column, and belly planks are fixedly connected to the two sides of the I-shaped column web, wherein belly planks grooves correspondingly engage with raised belts on the I-shaped column;
and fourthly, connecting joints, fixing the bottom plate of the connecting piece on the outer surface of the flange of the I-shaped column, respectively inserting the plugboards of the connecting piece into the slots of the left plank and the right plank of the inverted T-shaped beam through the notches of the front flange plank, and fixing the plugboards by using fasteners.
The invention has the following beneficial effects:
the invention provides an assembled steel-wood composite beam column node structure and a construction method thereof, which effectively lighten the self weight of the structure and save the steel consumption by the application of an assembled steel-wood composite column and a steel-wood composite beam, wherein the web part wood plate in the steel-wood composite column is positioned between two flanges and is in a three-way stress state, so that the bearing capacity of a steel structure and a wood structure is effectively improved, and the characteristics of compression resistance of the wood structure and strong rigidity of the steel structure are fully utilized in the steel-wood composite beam; in addition, the arrangement of the nodes adopts a splicing mode, the connecting piece, the steel-wood composite beam and the steel-wood composite column are fastened, the installation is easy, the operation is convenient, and the stress performance is good. The connecting piece, the steel-wood composite beam and the steel-wood composite column can be prefabricated and assembled during construction, so that the accurate application of the components is effectively ensured, the construction time is saved, and the construction efficiency is effectively improved.
Drawings
FIG. 1 is a perspective view of an assembled steel-wood composite beam-column node structure;
FIG. 2 is a top view of an assembled steel-wood composite beam-column node structure;
FIG. 3 is an elevation view of an assembled steel-wood composite beam-column node structure;
FIG. 4 is a side view of an assembled steel wood composite beam-column node structure;
FIG. 5 is a schematic perspective view of an assembled steel-wood composite column;
FIG. 6 is a perspective view of an assembled steel-wood composite beam;
fig. 7 is a perspective view of a connector.
Reference numerals: 1-an inverted T beam; 2-left wood board; 3-laying a wood board; 4-bolts; 5-right wood board; 6-fastening pieces; 7-a bottom plate; 8-front flange wood board; 9-a raised strip; 10-rear flange wood board; 11-belly wood board; 12-I-shaped columns; 13-inserting plates; 14-notch; 15-slots; 16-connecting holes.
Detailed Description
As shown in fig. 1 to 4, an assembled steel-wood composite beam column node structure comprises a steel-wood composite beam and a steel-wood composite column which are perpendicular to each other, wherein the end part of the steel-wood composite beam is connected with the steel-wood composite column through a connecting piece; the steel-wood composite beam comprises an inverted T-shaped beam 1, a left wood board 2 and a right wood board 5 which are connected to two sides of a web plate of the inverted T-shaped beam 1, and a lower wood board 3 which is connected to the bottom surface of a flange of the inverted T-shaped beam 1; the steel-wood combined column comprises an I-shaped column 12, an abdomen wood board 11 connected between two flanges of the I-shaped column 12, and a front flange wood board 8 and a rear flange wood board 10 connected with the outer sides of two flanges of the I-shaped column 12, wherein the connecting piece comprises a bottom plate 7 and two parallel insertion boards 13 connected to the front surface of the bottom plate 7, and the insertion boards 13 are perpendicular to the bottom plate 7.
As shown in FIG. 5, the I-shaped column 12 of the steel-wood combined column in the embodiment is an I-shaped steel column, the thickness of a steel plate is controlled to be 6-10mm, four symmetrical raised belts 9 are arranged on four edges of the inner side surfaces of two flanges, the length of the raised belts 9 in cross section is controlled to be within 50mm, the width is controlled to be 6-10mm, and the longitudinal length of the raised belts is equal to the longitudinal length of the flanges of the I-shaped steel column.
As shown in fig. 6, in this embodiment, the wood used at the steel-wood composite beam is pinus sylvestris, the size of which corresponds to the designed size of the inverted T-shaped beam 1, the left wood board 2 and the right wood board 5 at the web position of the inverted T-shaped beam 1 need to be provided with bolt holes corresponding to the bolt holes of the web, and the outer surface of the flange of the inverted T-shaped beam 1 is glued with a lower wood board 3 with the thickness of 50 mm; the inverted T-shaped beam 1 in the embodiment is formed by welding two steel plates, the corners of the contact parts are in a smooth state through polishing, and bolt holes in a web plate are arranged at intervals according to design requirements.
As shown in fig. 7, the connecting piece in this embodiment is formed by welding three steel plates, the bottom plate 7 is welded on the outer surface of the flange of the i-shaped steel column, and the insertion plate 13 is inserted into the insertion grooves 15 of the left wood plate 2 and the right wood plate 5 of the steel-wood composite beam and fixedly connected through the fastening piece 6.
The construction method of the assembled steel-wood composite beam-column node structure comprises the following steps: step one, machining and welding an inverted T-shaped steel beam, wherein an I-shaped steel column with a convex belt 9 and a connecting piece are arranged, and the dimensions of the inverted T-shaped steel beam and the I-shaped steel column are set according to the height and bearing size of a building; two rows of bolt holes are arranged at intervals on the inverted T-shaped steel beam web plate, and two vertical rows of bolt holes corresponding to the position of the slot 15 are encrypted; four steel plate strips are welded on four sides of the inner side of the steel column flange plate to serve as a raised belt 9; the plugboard 13 of the connecting piece is correspondingly provided with connecting holes 16 which are the same as the two vertical rows of the slots 15, and the connecting holes 16 are bolt holes; after the welding of the components is finished, polishing is carried out, so that the edges and corners are clear, and the connecting positions are smooth.
Step two, respectively processing a lower plank 3, a left plank 2 and a right plank 5 at the steel beam flange plate 3 and the web plate, and an abdomen plank, a front flange plank 8 and a rear flange plank 10 of the I-shaped steel column according to the sizes of the inverted T-shaped steel beam, the flange of the I-shaped steel column and the web plate; a notch 14 is arranged on the front flange plank 8 according to the size of the bottom plate 7 of the connecting piece; corresponding grooves are arranged on the abdomen wood board according to the size of the raised belts 9; bolt holes of the left wood plate 2 and the right wood plate 5 are correspondingly arranged according to bolt holes of the inverted T-shaped steel beam web, and the length, width and height of the slot 15 are correspondingly arranged according to the length, width and height of the inserting plate 13.
Step three, mounting a left wood board 2 and a right wood board 5 according to the relative positions of the components, wherein bolt holes on the wood boards correspond to bolt holes on a steel beam web plate of the inverted T-shaped steel beam, and the bolts 4 are adopted for fixing; polishing the lower surface of the inverted T-shaped steel girder flange, coating the surface of the inverted T-shaped steel girder flange with mixed epoxy resin glue, tightly pressing the lower wood board 3 of the inverted T-shaped steel girder flange on the lower surface of the steel girder flange, extruding excessive glue solution by using a weight, and curing for one week, thereby completing the manufacture of the composite girder.
Fourthly, connecting the front flange plates and the rear flange plates at the two sides of the flange of the I-shaped steel column through structural adhesive, applying weights and curing for one week to finish the cementation fixation of the flange wood board; the belly plank on the I-shaped steel column web plate is correspondingly installed through the groove, and structural adhesive is led in between steel and wood for further reinforcement after installation, so that the installation of the column is completed.
And fifthly, welding the bottom plate 7 of the connecting piece on the outer surface of the flange at the notch 14 of the front flange of the I-shaped steel column, connecting the positions of the end parts of the left plank 2 and the right plank 5, which are provided with the slots 15, with the plugboards 13, and fixedly connecting the bolt holes by adopting bolts after corresponding one by one, so that the installation of the node is completed.
On the basis of the technical scheme, the types and the intervals of the bolts can be determined by mechanical calculation according to the actual load, and the embodiment is only for clearly illustrating the outstanding characteristics of the invention and is not a limitation of the embodiment of the invention; other variations and modifications of the present invention will be apparent to those of skill in the art, and it is intended to cover all such modifications and variations of this invention without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. An assembled steel-wood composite beam column node structure which is characterized in that: the steel-wood combined beam comprises a steel-wood combined beam and a steel-wood combined column which are perpendicular to each other, wherein the end part of the steel-wood combined beam is connected with the steel-wood combined column through a connecting piece;
the steel-wood composite beam comprises an inverted T-shaped beam (1), a left wood board (2) and a right wood board (5) which are connected to two sides of a web plate of the inverted T-shaped beam (1), and a lower wood board (3) which is connected to the bottom surface of a flange of the inverted T-shaped beam (1);
the steel-wood combined column comprises an I-shaped column (12), an abdomen wood board (11) connected between two flanges of the I-shaped column (12), and a front flange wood board (8) and a rear flange wood board (10) which are connected with the outer sides of the two flanges of the I-shaped column (12);
the lengths and the widths of the front flange wood board (8) and the rear flange wood board (10) are the lengths and the widths of flanges of the I-shaped column (12);
the connecting piece comprises a bottom plate (7) and two parallel inserting plates (13) connected to the front surface of the bottom plate (7), the back surface of the bottom plate (7) is fixedly connected with the outer surface of the flange of the I-shaped column (12), and the inserting plates (13) are respectively inserted into the end parts of the left wood plate (2) and the right wood plate (5);
the end part of the steel-wood composite beam is spliced on the plugboard (13) and is butted in the notch (14) of the steel-wood composite column; wherein the connection positions of the end parts of the left wood board (2) and the right wood board (5) and the plugboard (13) are provided with slots (15); the inserting plate (13), the left wood plate (2), the right wood plate (5) and the web plate of the inverted T-shaped beam (1) at the position of the inserting groove (15) are fixedly connected by adopting a fastener (6); the fastening piece (6) is a connecting bolt or a connecting rod with two anchored ends.
2. The fabricated steel-wood composite beam-column node structure of claim 1, wherein: the plugboard (13) is perpendicular to the bottom board (7).
3. The fabricated steel-wood composite beam-column node structure of claim 1, wherein: the front flange wood board (8) is provided with a notch (14), and the length and the width of the notch (14) are the length and the width of the steel-wood composite beam.
4. The fabricated steel-wood composite beam-column node structure of claim 1, wherein: the inner side surface of the flange of the I-shaped column (12) is provided with a through-length raised belt (9), and the raised belt (9) is clamped on the belly wood board (11).
5. The fabricated steel-wood composite beam-column node structure of claim 1, wherein: the belly wood board (11) is a square wood block with the same size at two sides of a web plate of the I-shaped column (12), the length of the square wood block is the length of the web plate, the height of the square wood block is the height between two flanges of the I-shaped column (12), and the width of the square wood block is one half of the width of the flange of the I-shaped column (12) after the thickness of the web plate is removed; the bottom surface of the square wood block is provided with a groove for clamping the convex belt (9) in a through length mode.
6. The fabricated steel-wood composite beam-column node structure of claim 1, wherein: the left wood board (2) and the right wood board (5) are square wood boards, the heights and the lengths of the square wood boards are equal to those of the web plate of the inverted T-shaped beam (1), and the widths of the square wood boards are half of the width of the flange of the inverted T-shaped beam (1) after the thickness of the web plate is removed;
the length and the width of the flange of the inverted T-shaped beam (1) correspond to those of the lower wood board (3), and the top surface of the lower wood board (3) is fixedly connected with the outer surface of the flange of the inverted T-shaped beam (1).
7. The construction method of the assembled steel-wood composite beam-column node structure according to any one of claims 1 to 6, which is characterized by comprising the following specific steps:
step one, processing an inverted T-shaped beam (1), an I-shaped column (12) with a convex belt (9) and a connecting piece according to design requirements, wherein the length and the width of a bottom plate (7) of the connecting piece are smaller than those of flanges and notches (14) of the I-shaped column (12), the height of a plugboard (13) of the connecting piece is equal to that of a web plate of the inverted T-shaped beam (1), and the thickness of the plugboard (13) is smaller than those of a left wood board (2) and a right wood board (5);
step two, processing a left plank (2), a right plank (5), a lower plank (3), an abdomen plank (11), a front flange plank (8) and a rear flange plank (10) based on the dimensions of the inverted T-shaped beam (1) and the I-shaped column (12), and correspondingly arranging slots (15) of the left plank (2) and the right plank (5), a notch (14) of the front flange plank (8) and a groove of the abdomen plank (11);
step three, assembling the inverted T-shaped beam (1) and the I-shaped column (12), respectively fixedly connecting a left wood board (2), a right wood board (5) and a lower wood board (3) on the left side, the right side and the lower side of flanges of a web plate of the inverted T-shaped beam (1), fixedly connecting a front flange wood board (8) and a rear flange wood board (10) on the outer sides of two flanges of the I-shaped column (12), fixedly connecting an abdomen wood board (11) on two sides of the web plate of the I-shaped column (12), wherein grooves of the abdomen wood board (11) correspondingly engage with raised belts (9) on the I-shaped column (12);
step four, connecting the joints, fixing the bottom plate (7) of the connecting piece on the outer surface of the flange of the I-shaped column (12), inserting the inserting plate (13) of the connecting piece into the inserting grooves (15) of the left plank (2) and the right plank (5) of the inverted T-shaped beam (1) respectively through the notch (14) of the front flange plank (8), and fixing the bottom plate and the inserting plates by using the fastening piece (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811003095.7A CN108978869B (en) | 2018-08-30 | 2018-08-30 | Assembled steel-wood composite beam column node structure and construction method thereof |
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| CN201811003095.7A CN108978869B (en) | 2018-08-30 | 2018-08-30 | Assembled steel-wood composite beam column node structure and construction method thereof |
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| CN108978869A CN108978869A (en) | 2018-12-11 |
| CN108978869B true CN108978869B (en) | 2024-01-19 |
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| CN109853739B (en) | 2019-02-27 | 2020-06-23 | 青岛理工大学 | Assembled steel-wood combined node |
| CN109750794A (en) * | 2019-03-13 | 2019-05-14 | 沈阳工业大学 | Steel and wood composite column and combined method |
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| CN112627345A (en) * | 2020-12-04 | 2021-04-09 | 上海市建筑科学研究院有限公司 | Steel-bamboo combined engineering bamboo beam-column connecting structure and preparation method thereof |
| CN113833116B (en) * | 2021-10-08 | 2023-03-21 | 上海宝冶建筑装饰有限公司 | Steel-wood combined structure and construction method |
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| KR20070050146A (en) * | 2005-11-10 | 2007-05-15 | 전남대학교산학협력단 | A steel-wood composite beam and its manufacturing method |
| CN108425461A (en) * | 2018-03-10 | 2018-08-21 | 中南林业科技大学 | A kind of novel steel and wood composite structural column and its manufacturing method |
| CN208934118U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of assembled steel clark beam column node structure |
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| CN108978869A (en) | 2018-12-11 |
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Effective date of registration: 20231226 Address after: 571700 Xindu Wenzhou Industrial Park, Yangpu Economic Development Zone, Danzhou City, Hainan Province Applicant after: Hainan Huajin Steel Structure Co.,Ltd. Address before: No. 13 Chaoyang Street, Zhangjiakou, Hebei, Hebei Applicant before: HEBEI University OF ARCHITECTURE |
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